Coway has patented an air purifier with a stable structure that allows for simultaneous vertical and horizontal rotation. The device includes a body, neck, and head portion with fan assembly and filters. The design ensures efficient air purification with independent rotation capabilities. GlobalData’s report on Coway gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Coway, Reverse osmosis and nano-filtration was a key innovation area identified from patents. Coway's grant share as of February 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.

Rotating air purifier with stable structure

Source: United States Patent and Trademark Office (USPTO). Credit: Coway Co Ltd

A recently granted patent (Publication Number: US11885528B2) discloses an innovative air purifier design featuring a body portion with a rotatable neck portion and head portion. The head portion houses a fan assembly and filters for discharging purified air, with the neck portion comprising a neck housing, head frame, and frame body. The vertical rotation of the head portion is limited by the guide opening and frame body insertion members, ensuring controlled movement. Additionally, the patent details the inclusion of a vertical rotation member, gear penetration portion, and vertical rotation support portion in the design for enhanced functionality.

Furthermore, the patent describes the unique features of the air purifier, such as the spherical shape of the head portion, the presence of rollers for assisting in vertical rotation, and the horizontal rotation mechanism facilitated by a horizontal rotation gear and motor. The design also includes a base with wheels for easy mobility and stability. The patent emphasizes the precise engineering of the air purifier, allowing for vertical and horizontal rotation of the head portion while keeping the neck and body portions fixed, ensuring efficient air purification in all directions.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.